The Kraft Tool CF177PF Inside Step Tool w/ProF is a great tool for any masonry worker. It has an 8″ x 4″ step and features a 1/2″ radius on the front of the base, which allows you to easily make inside corners when building block walls or brick structures. The Kraft Tool’s Inside Step is designed with durability in mind, making it ideal for use on job sites that may be tough on tools. This kit will help you get your project done quickly and efficiently while saving time and effort by allowing you to cut corners easier than ever before.